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    Screening machines for grain cleaning, sorting and grading

    Professional equipment for sieving, cleaning and grading of grain, legumes, seeds and bulk products. Precise separation, vacuum removal of impurities and stable productivity at any processing volumes.

    Universal screening equipment for grain cleaning and seed processing lines

    Screening machines of classical type are designed for cleaning, sorting, and calibrating grain, legumes, seeds, and other bulk agricultural products by particle size. The equipment combines mechanical separation through sieves with vacuum removal of light impurities — dust, chaff, and defective fractions — ensuring high purity and uniformity of the finished product.

    The product line includes compact single-deck machines, multi-deck cleaners-sorters, and combined solutions for multiple separation stages in one unit. The equipment is suitable for preliminary cleaning, intermediate control, and final calibration at enterprises working with wheat, rice, soy, chickpea, lentil, sunflower, sesame, cumin, and other crops.

    Screening machines

    Principles of Operation and Design Features

    At the core of screening machine operation is the sequential passage of the product through one or several sieve decks under simultaneous exposure to vibration and air flow. Large foreign inclusions, fine and crushed particles are separated through calibrated sieves, while vacuum channels additionally extract light impurities from the overall stream.

    In a number of models, the sieving process is repeated in several stages, which increases the accuracy and sensitivity of separation. This makes the equipment suitable for both standard grain crops and for special products with increased purity requirements — spices, small-seeded crops, organic raw materials.

    The design of the machines provides for quick sieve changes and adjustment of vibration parameters for a specific crop and task. Versions with fixed installation and mobile models are available for flexible placement on the production site.

    Screening machines Detail 1
    Screening machines Detail 2

    Areas of Application

    Screening machines are used at seed plants, grain cleaning lines, elevators, bean processing facilities, and spice production. Depending on their configuration, they perform the function of preliminary cleaning before storage or further processing, classification sorting to obtain uniform fractions, as well as final quality control after optical or color sorting.

    The equipment is successfully used when working with wheat, rice, barley, soy, chickpea, beans, lentils, sunflower, sesame, cumin and other dry bulk crops. A wide range of models makes it possible to select a solution for any capacity — from small farms to large agro-industrial complexes.

    # Advantages of Screening Machines

    The use of screening machines makes it possible to significantly improve the purity and commercial quality of products, reduce losses, and optimize the entire technological process. A vacuum cleaning system combined with multi-level sieve separation ensures high separation accuracy even when working with delicate or fine-fraction crops.

    Among the key advantages: effective removal of foreign inclusions, dust and light impurities; improvement of homogeneity and calibration of the finished batch; compatibility with a wide range of crops; possibility of integration at any stage of the production line — from preliminary cleaning to final product finishing.

    Screening machines Detail 3
    Screening machines Detail 4

    Integration into Production Lines

    Screening machines are easily integrated into existing grain cleaning and seed processing lines as an independent module or as part of complex equipment. They are compatible with feed systems, elevators, aspiration units, and sorters, which makes it possible to build a continuous and automated technological process.

    Configuration flexibility — the choice of the number of sieve decks, type of motion (vibratory or eccentric), presence of a vacuum channel — makes the equipment a universal tool for solving a wide range of tasks: from coarse pre-cleaning of grain mixture to precise calibration of seed material.

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    +90 537 731 38 61
    info@aeterninvento.com

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